Seiche in Illinois
Every seiche event the National Weather Service has filed in Illinois, year by year, with the most significant episodes. A standing wave in a lake or bay, pushed by wind or pressure, that flooded the shore.
The most significant on the map
The most significant seiche episodes in Illinois.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 4
- Deaths
- 0
- Injuries
- 0
- Damage
- None recorded
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Hail and Damaging Winds in Illinois, August 27, 2024During the evening of the 27th, a complex of severe thunderstorms impacted northern and northeast Illinois producing widespread wind damage, mostly to trees and power lines, as well as several instances of severe hail.
- Flash Flooding and Flood in Illinois, May 21 to 22, 2004Large tree limbs were down.
- Seiche in Illinois, May 21, 2004Belmont Harbor and Calumet Harbor reported a 3 to 4 foot seiche.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.